83533240251157 has 2 divisors, whose sum is σ = 83533240251158. Its totient is φ = 83533240251156.

The previous prime is 83533240251119. The next prime is 83533240251169. The reversal of 83533240251157 is 75115204233538.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76413490073361 + 7119750177796 = 8741481^2 + 2668286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83533240251157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83533240251157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83533240251557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41766620125578 + 41766620125579.

It is an arithmetic number, because the mean of its divisors is an integer number (41766620125579).

Almost surely, 2^{83533240251157} is an apocalyptic number.

It is an amenable number.

83533240251157 is a deficient number, since it is larger than the sum of its proper divisors (1).

83533240251157 is an equidigital number, since it uses as much as digits as its factorization.

83533240251157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 83533240251157 in words is "eighty-three trillion, five hundred thirty-three billion, two hundred forty million, two hundred fifty-one thousand, one hundred fifty-seven".